SENNHEISER HD-4.20-S Headset

Frequency response 18 - 20000 Hz, Impedance 18Ω, Sound pressure level ( SPL ) 118dB

Featuring an extremely durable construction and a folding headband for easy storage when not in use, the HD 4.20s is perfect for listening to music and taking calls on the go. The convenient 1-button smart remote on the cable allows to control portable device. A genuine Sennheiser product, the closed-back over-ear HD 4.20s delivers on the promise of our brand name. It lets you enjoy your music – in fact, any kind of music – with its well-balanced sound and a powerful, dynamic bass. Sound isnʼt the only thing that makes wearing the HD 4.20s a pleasure. Its tangle-free, that is to say hussle-free, singlesided cable is fitted with a one-button smart remote plus inline microphone that makes taking calls a breeze. Soft premium leatherette ear pads and ensure good attenuation of ambient noise and great wearing comfort even during extra-long listening sessions

Wearing style     Headband
Microphone     Ultra Noise Cancelling
Frequency response (microphone)     300 Hz - 3400 Hz
THD, total harmonic distortion      Impedance     ~300 Ω
Frequency response (headphones)     300 Hz - 3400 Hz
Sound pressure level (SPL)     Max. 103 dB limited by ActiveGard
Earpad size     ø 51 mm / 2.1 inch
Cable length     1 m / 3.3 ft Kevlar®* reinforced
Connector     Easy Disconnect
What's in the box?
Headset
Acoustic foam ear cushion
Carry bag
Clothing clip
Coloured identification clips (3)
Leatherette ear cushion
Microphone Windscreen

The closed HD 569 with around ear design brings a flexible option to the Home entertainment space. It provides a rich and clear bass, adding further flexibility by making it possible to enjoy the full personal experience without disturbing others.

As successor to our popular HD 500 series, the Sennheiser HD 5 model range offers high quality and value in any aspect. Powered by Sennheiserʼs proprietary transducer technology including the "Ergonomic acoustic refinement” (E.A.R.) design, which channels the audio signal directly into your ears. Featuring a contemporary design that is both attractive and ergonomic. A real treat for all, who listen to their music with a sense of discovery. The closed-back over-ear design of the HD 569 provides you with two benefits: Firstly, a great soundstage, brilliantly filled by Sennheiserʼs proprietary transducer system with rich detail and a powerful bass response. Secondly, an effective acoustic isolation – outside noise stays out, the music stays in. So you can enjoy your music without disturbing anyone.

Premium wired headsets optimized for Microsoft Lync. Built to withstand the rigors of the toughest contact center, office or Unified Communications (UC) environment, they are designed for quality-conscious professionals requiring HD voice clarity, durability and all-day comfort. Users can manage calls seamlessly through the call control unit and enjoy the stereo sound quality from the high quality neodymium speakers.

• Passive noise reduction
• Closed-back design
• In-line volume control and microphone on/off switch
• Unique 3D-Axis folding mechanism for easy transport
• Cardioid (directional) boom headphone
• Light weight for long wearing comfort
• Red Dot design award
• PC or MAC gaming
• 3.5mm jack adapter

General Description
The SH 330 over-the-head, single-sided headset is supplied with a noise-canceling microphone and ActiveGard(tm) protection technology.
Features
The SH 330 is a lightweight, all purpose monaural headset ideal for longer conversations. It is the stylish and highquality solution for users who value great comfort and top speech quality in any professional situation.
ActiveGardTM safeguards the user from the damaging effects of sudden, loud acoustic bursts
Self-adjusting ball-mounted speaker capsule allows perfect fitting to the head
300° adjustable microphone boom allows the mic to be positioned exactly for optimal speech clarity.
Teflon®* support washer increases positioning accuracy, stability and ensures long-term durability
Special acoustic foam ear pad optimizes sound penetration around the center of the cushion and into the ear canal while minimizing leakage.
Superb sound whether using the leatherette or foam ear pad (both included)
Delivery Includes
Acoustic foam ear pads
Carry bag
Clothing clip
Colored identification clips (3)
Leatherette ear pads
Microphone windscreen

Technical Data
Connector    Easy Disconnect
Distortion    Less than 1%
Ear-cap size    X-large ø 2 in (51 mm)
Frequency response    100 Hz - 3,400 Hz
Microphone    Noise Cancelling
Sound pressure level (SPL)    Max. 103 dB limited by ActiveGard
Speaker data    ˜300 Ω